| USD Audio Signal Processors |
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USD Audio SW-30b 30 band mono Equalizer
The USD Audio SW-30b is the best performing equalizer available. Its user
friendly operation makes it a favorite for anybody that loves music.
The SW-30B is a Full One/Third octave equalizer. That means 30 bands of
precision control for each channel.
- True 1/3 Octave Equalizer
- 30 Band Equalizer
- 19" Rack Mount Design
- Constant - Q filters for precise Feedback, Control and Minimum band interaction.
- Each slider uses precisely calibrated 20mm sliders on ISO centers.
- Switchable Boost/Cut ranges of +6dB or +12dB.
- Built in Infrasonic, RFI and Ultrasonic filter for ultra low distortion and unparalleled performance.
- Overload indicators
- Straight Wire Signal Bypass switching
- Range LEDs.
- Fully Balanced and Un Balanced inputs & outputs
- Hooked up using either 1/4 TRS phono plugs or XLR connectors on its inputs or outputs.
| Specifications |
| Constant-Q Bandpass Filters |
1/3 octave bandwidths on precise ISO centers, 25Hz - 20Khz. |
| Boost/Cut Range |
Switchable +6dB or +12dB |
| Built-in Low Cut Filter |
-3dB at 20Hz (18dB per octave) |
| Built-in Ultrasonic Filter |
-3dB at 60Khz (6dB per octave) |
| Overall Gain Range |
Off to +6dB (minimum) |
| Frequency Response |
20Hz to 60Khz, +0/-3dB |
| Signal To Noise Ratio |
Unweighted, 20Hz bandwidth, Boost/cut Centered, unity gain 108dB |
| THD + Noise |
Less than .009% |
| I.M. Distortion |
Less than .005% |
| Dimensions |
1 3/4" x 19" x 6" |
USD Audio SW-3x Stereo/Mono Crossover
The USD Audio SW-3x is a completely (and we do mean completely) variable
stereo 3-way / Mono 4 or 5-way active electronic crossover. This flexible
piece not only operates in either stereo or mono mode, but offers flexible
phase alignment with a 0-2ms variable delay.
- 24 dB/Octave slopes with Linkwitz-Riley, in phase performance.
- Independent level controls for all of its outputs.
- Independent frequency selection controls for each channel.
- Each of the SW-3x's crossover selectors have built-in 0-2ms Variable Time Delays for precision driver phase alignment.
- UHI power supply design.
| Specifications |
| Linear Phase Filters
| 1/3 octave bandwidths on precise ISO centers, 25Hz - 20Khz. |
| Linear Phase Ultrasonic Filters |
Switchable +6dB or +12dB |
| Master system level control with +6dB gain |
| Level controls on all outputs |
| Built-in RFI filters |
| Frequency response |
Unweighted, 20Hz bandwidth, Boost/cut Centered, unity gain 108dB |
| T.H.D |
Less than .009% |
| Signal To Noise Ratio |
Less than .005% |
| Dimensions |
1 3/4" x 19" x 6" |
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